MATLAB Answers

mfcc for wav file

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kc
kc 2019 年 7 月 3 日
回答済み: Brian Hemmat 2019 年 12 月 28 日
in 2018 matlab mfcc should give 13 features by default ,but m gelling 14 coloums everytime...plz guide

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回答 (1 件)

Brian Hemmat
Brian Hemmat 2019 年 12 月 28 日
When the mfcc function uses the default parameters, it outputs 13 mel-frequency cepstral coefficients, and appends the log-energy (for a total of 14 elements per frame). Most applications that use MFCC append the log-energy to the feature vector. To ignore the log-energy, set the "LogEnergy" parameter to 'ignore'.

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